Browsing by Author "Nowak, Edward"
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Item Modelowanie procesów ekonomicznych w warunkach dezaktualizacji informacji(Wydział Prawa i Administracji UAM, 1984) Nowak, EdwardThe article is devoted to econometric modelling of economic phenomenae interrelations in a situation when statistical data being the basis for modelling are becoming out of date in process of time. The article presents a concept of creating econometric model (choice of describing variables and assessing parameters) which would attribute lesser weight to statistical data of earlier periods of time, while more weight to the data originating in periods closer to the present time. The idea can be summarized as multiplying initial information proportionally to numbers of respective units of time. The proposed concept was applied in construction of the econometric model explaining formation of dynamics of total animal output of Polish agriculture in the years 1965 - 1982.Item Regresyjne badania efektywności produkcji w warunkach niejednorodności zbioru obiektów(Wydział Prawa i Administracji UAM, 1983) Nowak, EdwardThe article attempts at discriminating a set of objects in the regressive studyin situation of their heterogenity. The first stage consists of a division of the set into typological groups and next, of regressive modelling in the received sub-sets. The following phase, which is in the focus of this study, involves proceeding with group regressive examinations. Suggested approaches to the regressive modelling, distinct to the classical one, is compromising between a general regression related to the whole set and a group regression which is designed in a traditional way i.e. a two phase regression. It proves correct to estimate a general regression for the whole set of objects and for groups and on these grounds — to create a two stage model which can explain changes of an explained variable in the respective groups which are resulting from the properties of the whole set of objects as well as of specific groups. The study is illustrated with the construction of one variable models on the example of simulational data for 30 plants isolated into three typological groups.Item Statystyczna analiza porównawcza w badaniach zjawisk ekonomiczno-rolniczych w województwach(Wydział Prawa i Administracji UAM, 1986) Nowak, EdwardItem Zastosowanie wielowymiarowej analizy porównawczej do obiektywizowania kryteriów przyznawania subwencji gminom(Wydział Prawa i Administracji UAM, 1991) Kowerski, Mieczysław; Nowak, EdwardDiversified level of socio-economic development of communes and their unequal financial status justify the fact of granting subsidies from the central budget to less wealthyor less developed localities, poorly equipped with infrastrctural instalations. Efforts are made to formulate the rules of objectivizing the criteria of granting such subsidies. The article contains one of such proposals. The proposal consists in applying multidimensional comparative analysis in order to find a synthetical indicator of the level of development of each commune. In order to calculate this indicator the authors propose to take into account the following factors: housing conditions, communication conditions, health care and primary education conditions. The authors present these conditions by aggregating the characteristics and illustrate their method on the example of Zamosc Province (data from 1989).